Machine for making barrel-heads



I c. L MONTGOMERY. MACHINE FOR MAKING BARREL HEADS.

. APPLICATIION FILED ,NOV. 9! 1920.

PatentedMay 10,1921.

' QSHEETSSHEET c. J. MONTGOMERY.

MACHINE FOR MAKING BARREL HEADS.

APPLICATION LFILED NOV.9. 1920.

1 2. 92 1. ,I.E 0H 5 Wm M S 03 e t n .m a P Fla. 2.

c. J. MONTGOMERY.

MACHINE FOR MAKING BARREL-HEADS.

APPLICATION FILED NOV- 9 I920- 1,377,968. Patented May 10. 1921 3 SII EETS -SHEET 3- II -l 90 luna ZIu/eill 'or. lll io7icely.

LAX/Va I g I ma a 4 l sh UNI E-D; STATES CHRISTOPHER JOHN MONTGOMERY,OF"LIVERPOOL, ENGLAND.

To all whomz't maycoacemz Be'it knownzthatl, CHRISTOPHER JOHNMONTGOMERY, a subject-of the King ofEngland, and residing at'Grassendale, Liverpool,

. and true.

in the county of Lancaster, England, have invented Improvements in andConnected wit-h Machines for Making Barrel-I-Ieads, of which thefollowing is a specification.

This invention has reference to the manu-. facture by -machinery' ofwooden barrelheads, or like disks, or articles-but forconvenienceofdescription itwillbe described as. -applied to themanufacture. ofbarrelheads. One oftheiobjects and effects of-the inventionistoenablebarrel-heads or like articles: to; be! made rapidly and inexpensively,which 1 at-the same time are accurate The-operation on thebarrel-head tobe performed in this-machine isthatof finishing off, 1 or particularlybeveling. the edges of the-ends-orrheadswhichare to fit" in the groovesprovidedon the inside of the ends of the stavesr ofsthe barrels,,andfmaking them' of the form of thefigure of revolution required. 1

In themaking and finishing ofl of the ends or heads they arernadeofpolygonal form roughlyapproximziting acircle, and then a multiplicity ofthem-so formed are piled together a and. supported. in. this.arrangement in a machine, and slowly revolved past -'a multiplicity I ofrevolving. cutters 1 so that the edges: of the'zends are: gradually-cutand I shaped; say beveled, all around and to; the trueform required,eithercircular or ell1pt1- cal; .The revolving cutters-are mechanicallymoved ion-adjusted .up. to and in. relation'to the work, being.carriedon common carrier parts whose movements are-mechanicallyeffected, and also in somecases mechanically controlled, whichqin thecaseof7elliptical or like formsj'of ends or heads being made, is

effected by a :cam or like devicewhich causes the cutters tobe-movednearer to and farther gear and cuttersmove together;

A- construction and arrangement of machine aeeordlng; to I thisinventlon' 1s .illustratedin the annexed drawings, and the 1nventionwill be further described with the aidof same: H In'this drawing-Flgure11s a side eleva- A pplication filed November 9, 192d Serial No.422,912.

MACHINE FOR MAKING BARREL-HEADS.

Specification of LettersPatent. Patented Maylo, 1921 tion of themachine, Fig.,2is an end "view,"

and Fig. 3 a plan.

In the machine,l is the lower supporting face plate on which amultiplicity of the rough heads are piled, and 2' is theupper clampingdiskwhich ismoved on t othezpileof heads .and off same, by a screw 3,screwing through the boss of an overhanging headstock 4, fixed on themain frame 5Jof the machine. 6 are the. multiplicity of. cutters on eachside of the machine, mounted onsh-afts 7 carried in. swinging arms 8,,fiked onthe upper andlowerends.of'shafts 9, carried in the y bracketframe 5. v I

The headstock. 4: enables the whole batch of heads to be pressedfirmlyon to therotary bearings 1 0' of" the machine carri'erface. plate'1 below; an'das this face plate is revolved, the batch of heads isrevolved-slowly by; the frictional contact between them. A ball bearing.3 is provided between thescrew 3, and the face-plate 21-to diminishfriction: of the, bearing. of the 7 disk 2.

Y The carrier driving. faceplate 1:is mounted on averticalshaftzlf).Imounted'in the bed or pedestal 16: of: the frame, and'is driven from a worm wheelllTon the shaft 15, which is operated fromaQWorm. 18. (see, Fig.{.1).,

and driving gear consisting .of a. shaft119 and belt wheel 20 thereon,which isfdriven from the-.beltgearing .hereinaften described.

The face plate 1 also servesiasaicam which is adapted to operatethecutter carrier. parts through levers orarms; namely, \theplate-1 isprovided. with. a cam. shapedchannel 21 away from the axis of the plate1, and move by means as hereinafter describedfthe- 'cutters toward andaway fromthe'axis ofithe plate 1, and the barrelzheads toproduce aslightly I elliptical form: of head required, when such form isrequired-Y Th'isinward and outward; movement and thefrotation of thebarrel heads,is a slow one.

Thelower enos ofthe: cuttercarrier. shafts 7, are each provided withfixed belt pulley 25, and the shafts 9 are fitted with a loosely mountedpulley 26; and the .drivingbelts 27 which drive the shaft 7 and cutters,pass from the pulleys 28 on the prime motion shaft 29, over the pulleys26, which serve as guides to the belts 27 and keep the required tensionon the portionswhich extend between 26 and 25, as the cutters are rockedabout the shafts 9.

The cutters 6 are threaded on their spindles 7, and may be adjustedlengthwiseorr same by means of lock nuts or equivalent devices.

Motion from the shaft 29 is carried to the belt gear wheels 30 by a belt31, and thence to the shaft 19 by belts 32, this gear constituting areversing gear adapted to be reversed by an ordinary belt fork shlftingdevice 33. V

The reversing belt shifting gear 33 1s worked from a hand wheel device35, and chain 36, and a sprocket wheel 37 supported in the bracket 38,the hub of which is a nut through which the threaded end of the shiftershaft 33 screws.

The cutter shafts 7 and their carrier arms 8 are moved up to and awayfrom the barrel heads by a swivel nut 39 mounted in each of the lowerarms 8see Fig. 3and a right and left hand threaded shaft 40 passingthrough these nuts, and operated by hand wheel 41 outside. The shaft 40is split at the center at 40*, and the two parts are coupled together bya sleeve coupling 44 and key and feather arrangement, so that whendesired, viz., when making elllptical heads, the movement of the twoparts of the shaft toward and away from each other, is permitted; andthe two parts of the shaft 40 are connected to the cam levers 23 bylinks 42 connected to shackles 43 loosely mounted between collars on theshaft 40,- and thus these cam levers 23, are connected to the carrierarms 8, which are operated thereby.

lVhen the heads are to be circular, the cam channel 21 will be circular,and the cutters will only be moved toward and away from the edges of thehead by rotating the shaft 40 by the hand wheel 41; but when the headsare to be elliptical, and an elliptical cam is used, the movement of thecut ters will be a compound one, viz., that produced by the cam by themeans described, and that produced by the operation of the hand wheel41;

The polygon marked 45 in Fig. 3 represents a head before it is out andtrimmed, and it consists as shown of a center board 46, two end boards47, and two intermediate boards 48, the center board 46 being sawnsquare across the ends, the intermediate parts 48 being sawn by anangle, and the edge boards 47 being also sawn at an an le; thus verylittle waste ismade.

Vhen making the heads in the form of a circle, the wood pieces 46, 47,and 48 should face plate above described, for adjusting or moving thecutters and their carrying arms is also an ellipse; but the differencebetween the lengths of the major and minor axes of the ellipse is quitesmallsay about half an inch inmost cases. By the means and mechanismabove described, the cutters will follow the ellipse form of the cam,but

the size of the ellipse will be regulated by the hand wheel 41.

When the machine is started the heads or ends revolve very slowly, andthe two cutter carrying spindles revolve at a high speed; and byoperating the hand wheel 41 the cutters are gradually brought on to theedges of the heads.

The cutters may be adapted to operate on both sides of the edges of theheads at once, or by different operations, so as to produce the beveledform of edge required;

r In some cases the heads, when placed in the machine, for beingoperated uponfwill have a small strip of wood say thick on oppositeedges, so that they form distance pieces between the adjacent heads;

and this is especially useful in a case where the side portions 47 aremade thinner'than the other boards, as they sometimes are. Thesedistance or make-up pieces may be faced with rough sand paper or thelike to produce a good friction grip between one head and the other nextit, so as to insure the whole revolving together.

Moreover by the heads being separated in this manner, the cutters can beseparated 1 from one another inthe manner shown in the drawings.

The machine is suitable for making heads of dilferent sizes, and ofdifferent shapes as stated; and the cutter feed may be aut'oseries ofbarrel heads arranged in superimposed relation, upright shafts mountedbeyond the support, spaced cutter carrying arms mounted on each of saidshafts, a cutter shaft mounted in the free ends of each set of arms, anadjusting arm mounted for free rotary movement on each of the firstmentioned shafts, a connection between each of sa1d ad usting arms, acam way formed in the support, a screw shaft having threaded connectionwith each of said cutter carrying arms, means for connecting the ends ofsuch shafts to permit the shafts to move longitudinally with respect toeach other, and a connection between each of said shafts and theadjacent adjusting arm, whereby the cam way determines the cutting pathof the cutters and the screw shafts the dimensions of such path.

2. A machine for shaping and dressing the peripheral edges of barrelheads, comprising a rotary support formed in its under surface with acam way, a clamping member mounted above the support and adjustable withrelation to the support, said clamp member being mounted for freerotation to permit the clamping of a series of barrel heads between saidsupport and clamping member, an upright shaft a cutter shaft mountedinthe free ends of each pair of arms, an adjusting arm mounted for freerotation on each upright shaft and having a roller terminal to engage insaid cam way, manual operable means connected to each of said adjustingarms for simultaneously adjusting the cutter supportingarms of therespective sets in relatively opposite directions.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

CHRISTOPHER JOHN MONTGOMERY.

Witnesses CLIFFORD FAIRBANKS RoYs'roN, ALIon MABEL WATKINS.

